:root{--primary: #111;--secondary: #666;--accent: #0071e3;--glass: rgba(255, 255, 255, .7);--border: rgba(255, 255, 255, .4);--shadow: rgba(0, 0, 0, .05)}*{box-sizing:border-box}body{margin:0;background:#f8faff;color:var(--primary);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Helvetica Neue,Arial,sans-serif;overflow-x:hidden;-webkit-font-smoothing:antialiased}button,a{font:inherit}.background-world{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden}.parallax-layer{position:absolute;width:100%;height:100%}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(40px,-60px) scale(1.05)}66%{transform:translate(-30px,30px) scale(.95)}}@keyframes colorCycle{0%{filter:blur(50px) hue-rotate(0deg)}to{filter:blur(50px) hue-rotate(360deg)}}@keyframes morph{0%,to{border-radius:40% 60% 70% 30%/40% 50% 60%}34%{border-radius:70% 30% 50% 50%/30% 30% 70% 70%}67%{border-radius:100% 60% 60% 100%/100% 100% 60% 60%}}.blob{position:absolute;width:800px;height:800px;background:linear-gradient(135deg,#a5c7ff,#ffd1ff);filter:blur(50px);animation:float 15s ease-in-out infinite,colorCycle 25s linear infinite,morph 10s ease-in-out infinite;opacity:.55}#layer1 .blob{top:-250px;right:-250px}#layer2 .blob{bottom:-250px;left:-250px;animation-direction:reverse,normal,reverse;opacity:.45}nav{position:fixed;top:2rem;left:50%;transform:translate(-50%);background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);padding:8px;border-radius:100px;border:1px solid var(--border);display:flex;gap:4px;z-index:1000;box-shadow:0 4px 20px #00000008}.nav-btn{padding:10px 18px;border-radius:100px;border:0;background:transparent;font-size:.9rem;font-weight:500;color:var(--secondary);cursor:pointer;transition:all .3s;white-space:nowrap}.nav-btn.active{background:#fff;color:var(--primary);box-shadow:0 2px 10px var(--shadow)}main{max-width:1000px;margin:120px auto 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h3{margin:0 0 10px}.project-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.project-links a{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--border);border-radius:999px;background:#ffffffc7;color:var(--primary);font-size:.86rem;font-weight:700;text-decoration:none}.project-link-icon{display:inline-grid;width:24px;height:24px;place-items:center;border-radius:50%;background:var(--primary);color:#fff;font-size:.68rem;font-weight:800}.tag{font-size:.7rem;font-weight:700;color:var(--accent);text-transform:uppercase;margin-bottom:10px;display:inline-block;background:#0071e31a;padding:4px 10px;border-radius:6px}.resume-card{border-radius:30px;padding:50px}.resume-grid{display:flex;flex-direction:column;gap:34px}.resume-section{min-width:0}.resume-section h3{font-size:1.2rem;margin:0 0 20px;color:var(--accent);text-transform:uppercase;letter-spacing:2px}.resume-item{margin-bottom:24px}.resume-item:last-child{margin-bottom:0}.resume-header{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:8px}.resume-header strong{font-size:1.1rem}.date,.resume-sub{color:var(--secondary);font-weight:500}.date{font-size:.9rem}.resume-sub{font-size:.95rem;margin-bottom:10px}.highlight-line{font-size:.9rem;color:var(--accent);font-weight:600}.skills-tag-group,.cert-grid{display:flex;flex-wrap:wrap;gap:10px}.cert-grid{flex-direction:column;align-items:stretch}.skill-tag{background:#fff;padding:6px 14px;border-radius:10px;font-size:.85rem;border:1px solid var(--border);font-weight:500}.cert-card{display:flex;align-items:center;gap:14px;width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:16px;background:#ffffffb8;color:var(--primary);text-decoration:none}.cert-card img{width:48px;height:48px;object-fit:contain}.cert-card-main{min-width:0;flex:1}.cert-card strong{display:block}.resume-list{margin:10px 0 0;padding-left:18px;color:var(--secondary);line-height:1.7}.resume-list li+li{margin-top:6px}.roadmap-card{padding-bottom:50px}.roadmap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.roadmap-grid>div{background:#ffffff8c;border:1px solid var(--border);border-radius:20px;padding:24px}@media(max-width:768px){nav{width:calc(100% - 24px);top:1rem;overflow-x:auto;justify-content:flex-start}main{margin-top:100px}.hero{padding:40px 0}.hero p{font-size:1.08rem}.projects-grid,.roadmap-grid{grid-template-columns:1fr}.resume-card{padding:30px}.resume-header{flex-direction:column;align-items:flex-start;gap:4px}}.chat-card{display:flex;flex-direction:column;border-radius:30px;padding:40px;background:var(--glass);border:1px solid var(--border);box-shadow:0 10px 40px #00000005;height:calc(100vh - 200px);max-height:700px}.chat-messages{flex:1;overflow-y:auto;padding:20px 0;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.chat-empty{text-align:center;color:var(--secondary);padding:40px 0;font-size:.95rem}.chat-bubble{padding:12px 18px;border-radius:16px;font-size:.92rem;line-height:1.5;max-width:85%;word-wrap:break-word;animation:messageRise .28s ease-out}.chat-bubble.user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-bubble.assistant{align-self:flex-start;background:#ffffffa6;color:var(--primary);border:1px solid var(--border);border-bottom-left-radius:4px}.chat-bubble.assistant.loading{opacity:.7}@keyframes messageRise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.typing-indicator:after{content:"";animation:dots 1.5s infinite}@keyframes dots{0%,20%{content:"."}40%{content:". ."}60%,to{content:". . ."}}.chat-error{padding:10px 16px;margin:10px 0;background:#b54a3614;border:1px solid rgba(181,74,54,.2);border-radius:12px;color:#b54a36;font-size:.88rem}.chat-input-area{display:flex;gap:10px;padding-top:16px;border-top:1px solid var(--border)}.chat-input{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:14px;background:#fff;font-size:.92rem;font-family:inherit;resize:none;outline:none;transition:border-color .2s}.chat-input:focus{border-color:var(--accent)}.chat-input:disabled{opacity:.6;cursor:not-allowed}.chat-send-btn{padding:12px 24px;border:0;border-radius:14px;background:var(--primary);color:#fff;font-weight:600;font-size:.9rem;cursor:pointer;transition:transform .2s,opacity .2s;white-space:nowrap}.chat-send-btn:hover:not(:disabled){transform:scale(1.02)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}.chat-model-strip{display:flex;align-items:center;gap:8px;padding:10px 32px;border-bottom:1px solid rgba(255,255,255,.48);color:var(--secondary);font-size:.82rem;font-weight:600}.chat-model-strip:before{content:"";width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:#35c759;box-shadow:0 0 0 4px #35c7591f}.chat-model-strip.offline:before{background:#b54a36;box-shadow:0 0 0 4px #b54a361a}@media(max-width:768px){.chat-card{padding:20px;height:calc(100vh - 180px)}.chat-bubble{max-width:95%}.chat-input-area{flex-direction:column}.chat-send-btn{width:100%}}.ai-chat-page{display:flex;height:min(680px,calc(100vh - 190px));min-height:500px;flex-direction:column;border:1px solid var(--border);border-radius:30px;background:linear-gradient(180deg,#ffffffd1,#ffffff94);box-shadow:0 24px 70px #5062822e;-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);overflow:hidden}.ai-chat-page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:24px 32px 18px;border-bottom:1px solid rgba(255,255,255,.56)}.ai-chat-page-header h2{margin:0;font-size:3.6rem;letter-spacing:0}.ai-chat-conversation{display:flex;min-height:0;flex:1;flex-direction:column}.ai-chat-conversation .chat-messages{min-height:0;padding:28px 32px;gap:16px;background:linear-gradient(180deg,#ffffff2e,#ffffff14)}.ai-chat-conversation .chat-empty{display:grid;min-height:100%;place-items:center;color:var(--secondary)}.ai-chat-conversation .chat-input-area{align-items:flex-end;padding:18px 24px 24px;background:#ffffff3d}.ai-chat-conversation .chat-input{min-height:56px;max-height:140px;border-radius:22px;background:#ffffffd6}.ai-chat-conversation .chat-send-btn{height:56px;border-radius:20px}@media(max-width:768px){.ai-chat-page{height:calc(100vh - 160px);min-height:460px;border-radius:24px}.ai-chat-page-header{display:block;padding:22px 22px 14px}.ai-chat-page-header h2{font-size:2.2rem}.ai-chat-conversation .chat-messages{min-height:0;padding:20px}.ai-chat-conversation .chat-input-area{padding:14px 16px 18px}.chat-model-strip{padding:10px 20px}}.chat-fab{position:fixed;right:24px;bottom:24px;z-index:50;width:58px;height:58px;border:1px solid var(--border);border-radius:50%;background:#ffffffb8;color:var(--primary);font-weight:700;letter-spacing:0;box-shadow:0 16px 42px #50628233;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);cursor:pointer}.chat-fab:after{content:"";position:absolute;right:9px;bottom:9px;width:9px;height:9px;border:2px solid rgba(255,255,255,.9);border-radius:50%;background:#35c759}.global-chat-panel{position:fixed;right:24px;bottom:24px;z-index:50;width:min(390px,calc(100vw - 32px));max-height:min(680px,calc(100vh - 48px));display:flex;flex-direction:column;border:1px solid var(--border);border-radius:24px;background:linear-gradient(180deg,#ffffffd1,#ffffff94);box-shadow:0 24px 70px #50628238;color:var(--primary);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);overflow:hidden}.global-chat-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px 14px;border-bottom:1px solid rgba(255,255,255,.56)}.global-chat-header h2{margin:0;font-size:1rem;letter-spacing:0}.global-chat-status{display:inline-flex;align-items:center;gap:6px;margin-top:4px;color:var(--secondary);font-size:.78rem;font-weight:600}.global-chat-status:before{content:"";width:7px;height:7px;border-radius:50%;background:#35c759}.global-chat-status.offline:before{background:#b54a36}.global-chat-header button{width:34px;height:34px;border:1px solid var(--border);border-radius:50%;background:#ffffff9e;color:var(--primary);font-size:1.2rem;line-height:1;cursor:pointer}.global-chat-panel .chat-messages{min-height:280px;max-height:420px;padding:18px;overflow-y:auto}.global-chat-panel .chat-empty{padding:48px 16px;color:var(--secondary)}.global-chat-panel .chat-error{margin:0 18px 12px}.global-chat-panel .chat-input-area{padding:14px 16px 16px;border-top:1px solid rgba(255,255,255,.56);background:#ffffff42}.global-chat-panel .chat-input{border-color:#11111114;background:#ffffffd1;color:var(--primary)}.global-chat-panel .chat-input:disabled{background:#ffffff85}.global-chat-panel .chat-send-btn{min-width:76px}.global-chat-panel .chat-send-btn:disabled{background:#1111111f;color:var(--secondary);opacity:1}@media(max-width:640px){.chat-fab{right:16px;bottom:16px}.global-chat-panel{right:12px;bottom:12px;width:calc(100vw - 24px);max-height:calc(100vh - 24px)}}